CVE-2026-71314: Nuxt

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

Nuxt is an open-source web development framework for Vue.js. From 3.1.0 until 3.21.10 and 4.5.1, an unauthenticated attacker can use a server island v-for prop, including vforToArray and , to trigger unbounded SSR memory allocation until MAX_VFOR_LENGTH = 100000 and crash the Nuxt process. This issue is fixed in 3.21.10 and 4.5.1.

Affected products

• Nuxt Nuxt: from 4.0.0, before 4.5.1 (fixed in 4.5.1); from 3.1.0, before 3.21.10 (fixed in 3.21.10)

Published 2026-08-05. Last modified 2026-09-08.